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[master] Imported from libpng-1.4.3.tar

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Glenn Randers-Pehrson
2010-06-25 19:32:34 -05:00
parent 5316f66005
commit a582b8f840
49 changed files with 465 additions and 174 deletions
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23
example.c
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@@ -512,20 +512,17 @@ row_callback(png_structp png_ptr, png_bytep new_row,
* shown below:
*/
/* Check if row_num is in bounds. */
if ((row_num >= 0) && (row_num < height))
{
/* Get pointer to corresponding row in our
* PNG read buffer.
*/
png_bytep old_row = ((png_bytep *)our_data)[row_num];
/* Get pointer to corresponding row in our
* PNG read buffer.
*/
png_bytep old_row = ((png_bytep *)our_data)[row_num];
/* If both rows are allocated then copy the new row
* data to the corresponding row data.
*/
if ((old_row != NULL) && (new_row != NULL))
png_progressive_combine_row(png_ptr, old_row, new_row);
/* If both rows are allocated then copy the new row
* data to the corresponding row data.
*/
if ((old_row != NULL) && (new_row != NULL))
png_progressive_combine_row(png_ptr, old_row, new_row);
}
/*
* The rows and passes are called in order, so you don't really
* need the row_num and pass, but I'm supplying them because it